/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/recursive/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:58:16,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:58:16,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:58:16,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:58:16,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:58:16,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:58:16,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:58:16,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:58:16,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:58:16,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:58:16,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:58:16,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:58:16,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:58:16,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:58:16,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:58:16,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:58:16,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:58:16,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:58:16,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:58:16,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:58:16,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:58:16,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:58:16,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:58:16,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:58:16,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:58:16,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:58:16,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:58:16,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:58:16,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:58:16,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:58:16,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:58:16,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:58:16,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:58:16,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:58:16,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:58:16,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:58:16,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:58:16,203 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:58:16,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:58:16,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:58:16,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:58:16,206 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:58:16,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:58:16,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:58:16,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:58:16,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:58:16,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:58:16,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:58:16,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:58:16,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:58:16,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:58:16,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:58:16,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:58:16,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:58:16,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:58:16,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:58:16,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:58:16,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:58:16,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:58:16,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:58:16,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:58:16,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:58:16,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:58:16,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:58:16,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:58:16,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:58:16,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:58:16,618 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:58:16,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci03.c [2020-12-22 06:58:16,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecab5b4c/1dac3ba6a5f341f3a373aef1618314c4/FLAG1e181ee2e [2020-12-22 06:58:17,273 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:58:17,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c [2020-12-22 06:58:17,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecab5b4c/1dac3ba6a5f341f3a373aef1618314c4/FLAG1e181ee2e [2020-12-22 06:58:17,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecab5b4c/1dac3ba6a5f341f3a373aef1618314c4 [2020-12-22 06:58:17,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:58:17,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:58:17,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:58:17,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:58:17,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:58:17,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7982e638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17, skipping insertion in model container [2020-12-22 06:58:17,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:58:17,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:58:17,873 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c[788,801] [2020-12-22 06:58:17,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:58:17,894 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:58:17,928 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c[788,801] [2020-12-22 06:58:17,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:58:17,947 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:58:17,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17 WrapperNode [2020-12-22 06:58:17,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:58:17,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:58:17,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:58:17,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:58:17,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:17,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:58:18,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:58:18,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:58:18,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:58:18,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... [2020-12-22 06:58:18,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:58:18,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:58:18,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:58:18,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:58:18,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:58:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-12-22 06:58:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-12-22 06:58:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:58:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:58:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:58:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:58:18,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:58:18,655 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 06:58:18,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:58:18 BoogieIcfgContainer [2020-12-22 06:58:18,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:58:18,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:58:18,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:58:18,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:58:18,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:58:17" (1/3) ... [2020-12-22 06:58:18,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c3d987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:58:18, skipping insertion in model container [2020-12-22 06:58:18,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:58:17" (2/3) ... [2020-12-22 06:58:18,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c3d987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:58:18, skipping insertion in model container [2020-12-22 06:58:18,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:58:18" (3/3) ... [2020-12-22 06:58:18,670 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-12-22 06:58:18,684 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:58:18,696 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 06:58:18,744 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 06:58:18,815 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:58:18,815 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:58:18,815 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:58:18,816 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:58:18,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:58:18,816 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:58:18,816 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:58:18,816 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:58:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-22 06:58:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 06:58:18,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:18,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:18,851 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:18,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:18,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1939714822, now seen corresponding path program 1 times [2020-12-22 06:58:18,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:18,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035141828] [2020-12-22 06:58:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:58:19,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035141828] [2020-12-22 06:58:19,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:19,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:58:19,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521811117] [2020-12-22 06:58:19,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:58:19,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:19,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:58:19,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:58:19,159 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-12-22 06:58:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:19,254 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2020-12-22 06:58:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:58:19,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-22 06:58:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:19,266 INFO L225 Difference]: With dead ends: 32 [2020-12-22 06:58:19,266 INFO L226 Difference]: Without dead ends: 19 [2020-12-22 06:58:19,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:58:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-22 06:58:19,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-22 06:58:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-22 06:58:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-12-22 06:58:19,315 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 11 [2020-12-22 06:58:19,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:19,316 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-12-22 06:58:19,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:58:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-12-22 06:58:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 06:58:19,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:19,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:19,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:58:19,319 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:19,320 INFO L82 PathProgramCache]: Analyzing trace with hash 692912656, now seen corresponding path program 1 times [2020-12-22 06:58:19,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:19,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689443329] [2020-12-22 06:58:19,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:58:19,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689443329] [2020-12-22 06:58:19,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:19,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:58:19,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615675260] [2020-12-22 06:58:19,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:58:19,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:19,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:58:19,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:58:19,399 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 5 states. [2020-12-22 06:58:19,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:19,483 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2020-12-22 06:58:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:58:19,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-22 06:58:19,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:19,486 INFO L225 Difference]: With dead ends: 25 [2020-12-22 06:58:19,486 INFO L226 Difference]: Without dead ends: 21 [2020-12-22 06:58:19,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:58:19,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-22 06:58:19,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2020-12-22 06:58:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-22 06:58:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-12-22 06:58:19,495 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2020-12-22 06:58:19,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:19,495 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-12-22 06:58:19,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:58:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-12-22 06:58:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:58:19,497 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:19,497 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:19,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:58:19,498 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:19,498 INFO L82 PathProgramCache]: Analyzing trace with hash 453332055, now seen corresponding path program 1 times [2020-12-22 06:58:19,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:19,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078204081] [2020-12-22 06:58:19,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-12-22 06:58:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 06:58:19,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078204081] [2020-12-22 06:58:19,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929482784] [2020-12-22 06:58:19,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:19,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:58:19,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 06:58:19,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:19,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-12-22 06:58:19,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038596564] [2020-12-22 06:58:19,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:58:19,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:19,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:58:19,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:58:19,987 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 9 states. [2020-12-22 06:58:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:20,113 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2020-12-22 06:58:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:58:20,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-12-22 06:58:20,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:20,115 INFO L225 Difference]: With dead ends: 36 [2020-12-22 06:58:20,115 INFO L226 Difference]: Without dead ends: 21 [2020-12-22 06:58:20,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:58:20,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-22 06:58:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-22 06:58:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-22 06:58:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-12-22 06:58:20,135 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 24 [2020-12-22 06:58:20,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:20,136 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-12-22 06:58:20,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:58:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-12-22 06:58:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:58:20,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:20,140 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:20,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-22 06:58:20,359 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:20,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1064754479, now seen corresponding path program 1 times [2020-12-22 06:58:20,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:20,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853373974] [2020-12-22 06:58:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:58:20,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853373974] [2020-12-22 06:58:20,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426438923] [2020-12-22 06:58:20,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:20,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:58:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:58:20,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:20,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2020-12-22 06:58:20,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565298773] [2020-12-22 06:58:20,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:58:20,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:20,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:58:20,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:58:20,642 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 8 states. [2020-12-22 06:58:20,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:20,772 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-12-22 06:58:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:58:20,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-12-22 06:58:20,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:20,775 INFO L225 Difference]: With dead ends: 39 [2020-12-22 06:58:20,775 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:58:20,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:58:20,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:58:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:58:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:58:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-12-22 06:58:20,790 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 25 [2020-12-22 06:58:20,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:20,791 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-12-22 06:58:20,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:58:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-22 06:58:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 06:58:20,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:20,793 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:21,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:21,009 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:21,011 INFO L82 PathProgramCache]: Analyzing trace with hash 484916750, now seen corresponding path program 2 times [2020-12-22 06:58:21,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:21,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428383162] [2020-12-22 06:58:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-22 06:58:21,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428383162] [2020-12-22 06:58:21,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505570342] [2020-12-22 06:58:21,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:21,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 06:58:21,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:21,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 06:58:21,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-22 06:58:21,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:21,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-12-22 06:58:21,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763486559] [2020-12-22 06:58:21,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 06:58:21,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:21,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 06:58:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:58:21,534 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 13 states. [2020-12-22 06:58:21,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:21,776 INFO L93 Difference]: Finished difference Result 69 states and 104 transitions. [2020-12-22 06:58:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 06:58:21,776 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2020-12-22 06:58:21,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:21,778 INFO L225 Difference]: With dead ends: 69 [2020-12-22 06:58:21,778 INFO L226 Difference]: Without dead ends: 36 [2020-12-22 06:58:21,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-12-22 06:58:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-22 06:58:21,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-12-22 06:58:21,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-22 06:58:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2020-12-22 06:58:21,793 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 38 [2020-12-22 06:58:21,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:21,793 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2020-12-22 06:58:21,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 06:58:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2020-12-22 06:58:21,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 06:58:21,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:21,798 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:22,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:22,015 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:22,017 INFO L82 PathProgramCache]: Analyzing trace with hash 135755334, now seen corresponding path program 3 times [2020-12-22 06:58:22,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:22,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66215015] [2020-12-22 06:58:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-22 06:58:22,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66215015] [2020-12-22 06:58:22,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238215250] [2020-12-22 06:58:22,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:22,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-22 06:58:22,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:22,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 06:58:22,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-12-22 06:58:22,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:22,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 13 [2020-12-22 06:58:22,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569096757] [2020-12-22 06:58:22,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 06:58:22,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:22,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 06:58:22,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:58:22,617 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand 13 states. [2020-12-22 06:58:22,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:22,827 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2020-12-22 06:58:22,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:58:22,828 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 66 [2020-12-22 06:58:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:22,837 INFO L225 Difference]: With dead ends: 85 [2020-12-22 06:58:22,837 INFO L226 Difference]: Without dead ends: 48 [2020-12-22 06:58:22,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:58:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-22 06:58:22,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2020-12-22 06:58:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-22 06:58:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2020-12-22 06:58:22,855 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 66 [2020-12-22 06:58:22,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:22,856 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2020-12-22 06:58:22,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 06:58:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2020-12-22 06:58:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-22 06:58:22,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:22,860 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:23,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:23,074 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:23,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:23,076 INFO L82 PathProgramCache]: Analyzing trace with hash 309754928, now seen corresponding path program 4 times [2020-12-22 06:58:23,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:23,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227363011] [2020-12-22 06:58:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2020-12-22 06:58:23,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227363011] [2020-12-22 06:58:23,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157713273] [2020-12-22 06:58:23,549 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:23,628 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 06:58:23,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:23,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-22 06:58:23,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 418 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2020-12-22 06:58:23,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:23,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2020-12-22 06:58:23,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043082339] [2020-12-22 06:58:23,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-22 06:58:23,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:23,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-22 06:58:23,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2020-12-22 06:58:23,975 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand 20 states. [2020-12-22 06:58:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:24,413 INFO L93 Difference]: Finished difference Result 109 states and 170 transitions. [2020-12-22 06:58:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-22 06:58:24,414 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 148 [2020-12-22 06:58:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:24,416 INFO L225 Difference]: With dead ends: 109 [2020-12-22 06:58:24,416 INFO L226 Difference]: Without dead ends: 66 [2020-12-22 06:58:24,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=900, Unknown=0, NotChecked=0, Total=1190 [2020-12-22 06:58:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-22 06:58:24,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-12-22 06:58:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-22 06:58:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2020-12-22 06:58:24,430 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 148 [2020-12-22 06:58:24,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:24,431 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2020-12-22 06:58:24,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-22 06:58:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2020-12-22 06:58:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-22 06:58:24,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:24,435 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:24,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 06:58:24,649 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:24,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:24,650 INFO L82 PathProgramCache]: Analyzing trace with hash -63559039, now seen corresponding path program 5 times [2020-12-22 06:58:24,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:24,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825450558] [2020-12-22 06:58:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:24,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 403 proven. 706 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2020-12-22 06:58:25,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825450558] [2020-12-22 06:58:25,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899976543] [2020-12-22 06:58:25,470 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:25,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2020-12-22 06:58:25,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:25,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-22 06:58:25,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 571 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2020-12-22 06:58:25,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:25,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14] total 25 [2020-12-22 06:58:25,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308345646] [2020-12-22 06:58:25,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 06:58:25,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:25,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 06:58:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2020-12-22 06:58:25,981 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand 25 states. [2020-12-22 06:58:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:26,629 INFO L93 Difference]: Finished difference Result 144 states and 219 transitions. [2020-12-22 06:58:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-22 06:58:26,629 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 216 [2020-12-22 06:58:26,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:26,632 INFO L225 Difference]: With dead ends: 144 [2020-12-22 06:58:26,632 INFO L226 Difference]: Without dead ends: 86 [2020-12-22 06:58:26,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=372, Invalid=1350, Unknown=0, NotChecked=0, Total=1722 [2020-12-22 06:58:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-12-22 06:58:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 79. [2020-12-22 06:58:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-22 06:58:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 104 transitions. [2020-12-22 06:58:26,651 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 104 transitions. Word has length 216 [2020-12-22 06:58:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:26,652 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 104 transitions. [2020-12-22 06:58:26,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 06:58:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2020-12-22 06:58:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-12-22 06:58:26,687 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:26,688 INFO L422 BasicCegarLoop]: trace histogram [57, 57, 46, 28, 28, 28, 28, 28, 28, 28, 18, 11, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:26,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:26,906 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:26,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:26,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1585619486, now seen corresponding path program 6 times [2020-12-22 06:58:26,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:26,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211499962] [2020-12-22 06:58:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-12-22 06:58:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8931 backedges. 1110 proven. 1918 refuted. 0 times theorem prover too weak. 5903 trivial. 0 not checked. [2020-12-22 06:58:28,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211499962] [2020-12-22 06:58:28,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728966319] [2020-12-22 06:58:28,500 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:28,651 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2020-12-22 06:58:28,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:28,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 06:58:28,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8931 backedges. 371 proven. 1307 refuted. 0 times theorem prover too weak. 7253 trivial. 0 not checked. [2020-12-22 06:58:29,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:29,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 10] total 27 [2020-12-22 06:58:29,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300527480] [2020-12-22 06:58:29,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-22 06:58:29,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:29,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-22 06:58:29,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2020-12-22 06:58:29,153 INFO L87 Difference]: Start difference. First operand 79 states and 104 transitions. Second operand 27 states. [2020-12-22 06:58:29,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:29,920 INFO L93 Difference]: Finished difference Result 187 states and 285 transitions. [2020-12-22 06:58:29,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-22 06:58:29,922 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 393 [2020-12-22 06:58:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:29,929 INFO L225 Difference]: With dead ends: 187 [2020-12-22 06:58:29,929 INFO L226 Difference]: Without dead ends: 112 [2020-12-22 06:58:29,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=491, Invalid=1765, Unknown=0, NotChecked=0, Total=2256 [2020-12-22 06:58:29,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-22 06:58:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 96. [2020-12-22 06:58:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-22 06:58:29,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2020-12-22 06:58:29,971 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 393 [2020-12-22 06:58:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:29,972 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2020-12-22 06:58:29,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-22 06:58:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2020-12-22 06:58:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2020-12-22 06:58:29,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:29,991 INFO L422 BasicCegarLoop]: trace histogram [93, 93, 75, 46, 46, 46, 46, 46, 46, 46, 29, 18, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:30,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:30,205 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:30,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1063634442, now seen corresponding path program 7 times [2020-12-22 06:58:30,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:30,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908556903] [2020-12-22 06:58:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:30,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:31,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-12-22 06:58:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:32,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 2111 proven. 4081 refuted. 0 times theorem prover too weak. 17835 trivial. 0 not checked. [2020-12-22 06:58:33,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908556903] [2020-12-22 06:58:33,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852229336] [2020-12-22 06:58:33,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:33,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-22 06:58:33,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3361 refuted. 0 times theorem prover too weak. 20240 trivial. 0 not checked. [2020-12-22 06:58:34,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:34,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12] total 31 [2020-12-22 06:58:34,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955706146] [2020-12-22 06:58:34,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-12-22 06:58:34,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:34,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-12-22 06:58:34,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-12-22 06:58:34,341 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand 31 states. [2020-12-22 06:58:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:35,414 INFO L93 Difference]: Finished difference Result 229 states and 364 transitions. [2020-12-22 06:58:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-22 06:58:35,415 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 638 [2020-12-22 06:58:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:35,421 INFO L225 Difference]: With dead ends: 229 [2020-12-22 06:58:35,422 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:58:35,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 823 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=636, Invalid=2444, Unknown=0, NotChecked=0, Total=3080 [2020-12-22 06:58:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:58:35,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 113. [2020-12-22 06:58:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-22 06:58:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 155 transitions. [2020-12-22 06:58:35,466 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 155 transitions. Word has length 638 [2020-12-22 06:58:35,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:35,467 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 155 transitions. [2020-12-22 06:58:35,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-12-22 06:58:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 155 transitions. [2020-12-22 06:58:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2020-12-22 06:58:35,502 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:35,503 INFO L422 BasicCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:35,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:58:35,717 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:35,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:35,718 INFO L82 PathProgramCache]: Analyzing trace with hash -2070327020, now seen corresponding path program 8 times [2020-12-22 06:58:35,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:35,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063973187] [2020-12-22 06:58:35,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:36,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:37,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-12-22 06:58:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:38,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2020-12-22 06:58:40,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063973187] [2020-12-22 06:58:40,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366856769] [2020-12-22 06:58:40,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:40,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 06:58:40,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:40,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 1931 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-22 06:58:40,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3735 proven. 6599 refuted. 0 times theorem prover too weak. 33280 trivial. 0 not checked. [2020-12-22 06:58:41,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:41,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 21] total 35 [2020-12-22 06:58:41,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52653057] [2020-12-22 06:58:41,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-12-22 06:58:41,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:41,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-12-22 06:58:41,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=942, Unknown=0, NotChecked=0, Total=1190 [2020-12-22 06:58:41,579 INFO L87 Difference]: Start difference. First operand 113 states and 155 transitions. Second operand 35 states. [2020-12-22 06:58:42,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:42,843 INFO L93 Difference]: Finished difference Result 260 states and 446 transitions. [2020-12-22 06:58:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-12-22 06:58:42,844 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 856 [2020-12-22 06:58:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:42,848 INFO L225 Difference]: With dead ends: 260 [2020-12-22 06:58:42,848 INFO L226 Difference]: Without dead ends: 153 [2020-12-22 06:58:42,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1112 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=840, Invalid=3450, Unknown=0, NotChecked=0, Total=4290 [2020-12-22 06:58:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-22 06:58:42,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 127. [2020-12-22 06:58:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-12-22 06:58:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-12-22 06:58:42,867 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 856 [2020-12-22 06:58:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:42,869 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-12-22 06:58:42,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-12-22 06:58:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-12-22 06:58:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2020-12-22 06:58:42,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:42,875 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:43,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:43,089 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:43,090 INFO L82 PathProgramCache]: Analyzing trace with hash -425340118, now seen corresponding path program 9 times [2020-12-22 06:58:43,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:43,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930086329] [2020-12-22 06:58:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:44,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-12-22 06:58:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-12-22 06:58:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-12-22 06:58:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-12-22 06:58:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-12-22 06:58:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-12-22 06:58:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-12-22 06:58:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-12-22 06:58:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 06:58:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-12-22 06:58:47,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930086329] [2020-12-22 06:58:47,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498760979] [2020-12-22 06:58:47,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:47,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 93 check-sat command(s) [2020-12-22 06:58:47,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:58:47,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 220 conjunts are in the unsatisfiable core [2020-12-22 06:58:47,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2020-12-22 06:58:49,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:49,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 36 [2020-12-22 06:58:49,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997497429] [2020-12-22 06:58:49,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-12-22 06:58:49,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:49,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-12-22 06:58:49,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1013, Unknown=0, NotChecked=0, Total=1260 [2020-12-22 06:58:49,216 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 36 states. [2020-12-22 06:58:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:49,497 INFO L93 Difference]: Finished difference Result 128 states and 184 transitions. [2020-12-22 06:58:49,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 06:58:49,498 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 747 [2020-12-22 06:58:49,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:49,500 INFO L225 Difference]: With dead ends: 128 [2020-12-22 06:58:49,501 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:58:49,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1186 GetRequests, 1151 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2020-12-22 06:58:49,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:58:49,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:58:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:58:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:58:49,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 747 [2020-12-22 06:58:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:49,507 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:58:49,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-12-22 06:58:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:58:49,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:58:49,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:58:49,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:58:50,487 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2020-12-22 06:58:50,677 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 6 [2020-12-22 06:58:50,739 INFO L189 CegarLoopUtils]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2020-12-22 06:58:50,739 INFO L192 CegarLoopUtils]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2020-12-22 06:58:50,740 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (<= 2 |fibonacci_#in~n|)) [2020-12-22 06:58:50,740 INFO L189 CegarLoopUtils]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-12-22 06:58:50,740 INFO L185 CegarLoopUtils]: At program point L22-2(line 22) the Hoare annotation is: (let ((.cse2 (<= 7 fibonacci_~n)) (.cse0 (= fibonacci_~n |fibonacci_#in~n|)) (.cse1 (<= 1 |fibonacci_#t~ret7|))) (or (and .cse0 (<= 3 |fibonacci_#in~n|) .cse1 (<= fibonacci_~n 3)) (and (<= 6 fibonacci_~n) (<= 5 |fibonacci_#t~ret7|) .cse0 (<= fibonacci_~n 6)) (and (<= 13 |fibonacci_#t~ret7|) (<= |fibonacci_#in~n| 8) .cse0 .cse2) (and (<= 4 |fibonacci_#in~n|) (<= 2 |fibonacci_#t~ret7|) .cse0 (<= fibonacci_~n 4)) (and .cse0 (<= 8 |fibonacci_#t~ret7|) .cse2 (<= fibonacci_~n 7)) (and (<= fibonacci_~n 5) (<= 5 fibonacci_~n) .cse0 (<= 3 |fibonacci_#t~ret7|)) (and (<= 8 |fibonacci_#in~n|) .cse0 (<= 21 |fibonacci_#t~ret7|)) (and (<= |fibonacci_#in~n| 2) .cse0 .cse1 (<= 2 |fibonacci_#in~n|)))) [2020-12-22 06:58:50,740 INFO L189 CegarLoopUtils]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-12-22 06:58:50,740 INFO L189 CegarLoopUtils]: For program point L22-3(line 22) no Hoare annotation was computed. [2020-12-22 06:58:50,740 INFO L189 CegarLoopUtils]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point L33(lines 33 37) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point L32-1(line 32) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point L29(lines 29 31) no Hoare annotation was computed. [2020-12-22 06:58:50,741 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:58:50,742 INFO L192 CegarLoopUtils]: At program point L27(lines 27 38) the Hoare annotation is: true [2020-12-22 06:58:50,742 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2020-12-22 06:58:50,742 INFO L189 CegarLoopUtils]: For program point L36(line 36) no Hoare annotation was computed. [2020-12-22 06:58:50,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:58:50 BoogieIcfgContainer [2020-12-22 06:58:50,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:58:50,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:58:50,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:58:50,754 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:58:50,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:58:18" (3/4) ... [2020-12-22 06:58:50,759 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:58:50,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2020-12-22 06:58:50,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-22 06:58:50,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 06:58:50,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:50,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:50,817 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/recursive/Fibonacci03.c-witness.graphml [2020-12-22 06:58:50,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:58:50,819 INFO L168 Benchmark]: Toolchain (without parser) took 33202.60 ms. Allocated memory was 151.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 134.5 MB in the beginning and 697.0 MB in the end (delta: -562.6 MB). Peak memory consumption was 658.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,819 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:58:50,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.04 ms. Allocated memory is still 151.0 MB. Free memory was 134.2 MB in the beginning and 124.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.78 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 122.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,828 INFO L168 Benchmark]: Boogie Preprocessor took 46.90 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 121.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,829 INFO L168 Benchmark]: RCFGBuilder took 599.57 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 124.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,830 INFO L168 Benchmark]: TraceAbstraction took 32093.42 ms. Allocated memory was 151.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 123.6 MB in the beginning and 699.1 MB in the end (delta: -575.5 MB). Peak memory consumption was 646.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,830 INFO L168 Benchmark]: Witness Printer took 63.64 ms. Allocated memory is still 1.4 GB. Free memory was 699.1 MB in the beginning and 697.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:50,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 329.04 ms. Allocated memory is still 151.0 MB. Free memory was 134.2 MB in the beginning and 124.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.78 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 122.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.90 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 121.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 599.57 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 124.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32093.42 ms. Allocated memory was 151.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 123.6 MB in the beginning and 699.1 MB in the end (delta: -575.5 MB). Peak memory consumption was 646.9 MB. Max. memory is 8.0 GB. * Witness Printer took 63.64 ms. Allocated memory is still 1.4 GB. Free memory was 699.1 MB in the beginning and 697.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 36]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.9s, OverallIterations: 12, TraceHistogramMax: 125, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 949 SDslu, 1508 SDs, 0 SdLazy, 3065 SolverSat, 1213 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4574 GetRequests, 4243 SyntacticMatches, 3 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 82 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 299 PreInvPairs, 411 NumberOfFragments, 112 HoareAnnotationTreeSize, 299 FomulaSimplifications, 2112 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 4166 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 6325 NumberOfCodeBlocks, 5999 NumberOfCodeBlocksAsserted, 162 NumberOfCheckSat, 6303 ConstructedInterpolants, 0 QuantifiedInterpolants, 6306921 SizeOfPredicates, 60 NumberOfNonLiveVariables, 6501 ConjunctsInSsa, 352 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 192124/227330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...